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.global-search-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgb(238 238 238 / 0.01); display: flex; justify-content: center; align-items: flex-start; z-index: 9999; opacity: 0; transition: background 0.16s ease, opacity 0.22s ease; } .global-search-overlay-on { opacity: 1 !important; background: rgb(238 238 238 / 0.75); transition: background 0.16s ease, opacity 0.22s ease; } .overlay-content { margin-top: 6rem; background: white; border-radius: 8px; max-width: 900px; width: 90%; text-align: center; margin-bottom: 5rem; } /* Button styles */ #trigger-btn { padding: 12px 24px; background: #42b883; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; } #trigger-btn:hover { background: #359a6a; } /* Close button */ .close-btn { position: absolute; top: 1rem; right: 1rem; background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; } import { ref, watch, computed, onMounted, onBeforeUnmount, onUnmounted, nextTick } from 'vue'; import { useFetch, useWindowSize, onKeyStroke, useFocusWithin } from '@vueuse/core'; // const { useFetch } = VueUse; export default { components: { }, props: { 'skipSearchIfNoKeyWord': { type: Boolean, default: true }, 'searchPageUrl': { type: String, default: '' } }, directives: { }, setup({ skipSearchIfNoKeyWord, searchPageUrl }) { const isOverlayVisible = ref(false); const isOverlayVisibleDeferred = ref(false); const globalsearchoverlayDOM = ref(null); const globalsearchboxdomref = ref(null); const globalsearchitemsdomref = ref(null); const globalsearchcatsdomref = ref(null); const globalsearchsuggdomref = ref(null); const uicontrol = ref({ q: '' }); let firstFocusableElement; let lastFocusableElement; const focusWithinModalF = function (e) { //console.log('aaa'); if (!lastFocusableElement || !lastFocusableElement) { return false; } //console.log('bbb'); if (e.key === 'Tab') { if (e.shiftKey) { // Shift + Tab if (document.activeElement === firstFocusableElement) { lastFocusableElement.focus(); e.preventDefault(); } } else { // Tab if (document.activeElement === lastFocusableElement) { firstFocusableElement.focus(); e.preventDefault(); } } } else if (e.key === 'Escape') { e.preventDefault(); closeGlobalSearchOverlayF(); } }; const refreshFocusTrapF = () => { // globalsearchoverlayDOM.value const focusableElements = globalsearchoverlayDOM.value.querySelectorAll( 'a[href]:not([tabindex="-1"]), button, textarea, input, select, [tabindex]:not([tabindex="-1"])' ); firstFocusableElement = focusableElements[0]; lastFocusableElement = focusableElements[focusableElements.length - 1]; }; const focusPreviousDomElementF = () => { const focusableElements = Array.from(globalsearchoverlayDOM.value.querySelectorAll( 'a[href]:not([tabindex="-1"]), button, textarea, input, select, [tabindex]:not([tabindex="-1"])' )); const currentFocusedElement = document.activeElement; const currentIndex = focusableElements.indexOf(currentFocusedElement); if (currentIndex > 0 && currentIndex < focusableElements.length) { focusableElements[currentIndex - 1].focus(); } else if (currentIndex === 0) { // Optionally, focus the first element if at the end focusableElements[focusableElements.length - 1].focus(); } }; const focusNextDomElementF = () => { const focusableElements = Array.from(globalsearchoverlayDOM.value.querySelectorAll( 'a[href]:not([tabindex="-1"]), button, textarea, input, select, [tabindex]:not([tabindex="-1"])' )); const currentFocusedElement = document.activeElement; const currentIndex = focusableElements.indexOf(currentFocusedElement); if (currentIndex !== -1 && currentIndex < focusableElements.length - 1) { focusableElements[currentIndex + 1].focus(); } else if (currentIndex === focusableElements.length - 1) { // Optionally, focus the first element if at the end focusableElements[0].focus(); } }; const searchOverlayTriggerOpenF = async () => { //console.log('searchOverlayTriggerOpenF event received'); window.document.body.classList.toggle('overflow-hidden', true); isOverlayVisible.value = true; await nextTick(); setTimeout(function () { if (globalsearchboxdomref.value) { refreshFocusTrapF(); globalsearchboxdomref.value.focus(); } isOverlayVisibleDeferred.value = true; }, 100); if (globalsearchoverlayDOM.value) { globalsearchoverlayDOM.value.setAttribute('tabindex', '0'); refreshFocusTrapF(); firstFocusableElement.focus(); /// Attach: tab-trapping globalsearchoverlayDOM.value.addEventListener('keydown', focusWithinModalF); } }; const closeGlobalSearchOverlayF = () => { globalsearchoverlayDOM.value?.setAttribute('tabindex', '-1'); /// Detach: tab-trapping globalsearchoverlayDOM.value?.removeEventListener('keydown', focusWithinModalF); window.document.body.classList.toggle('overflow-hidden', false); isOverlayVisible.value = isOverlayVisibleDeferred.value = false; }; onMounted(() => { /// Attach: receive regular JS event from outside of Vue window.addEventListener('search-overlay-trigger-open', searchOverlayTriggerOpenF); }); onBeforeUnmount(() => { /// Detach: receive regular JS event from outside of Vue window.removeEventListener('search-overlay-trigger-open', searchOverlayTriggerOpenF); }); const lastAbortH = ref(null); const scopeTotal = ref(0); const isInitializing = ref(true); const isLoading = ref(false); const facetCountDir = ref(null); const quicksearchitems = ref(null); const suggestions = ref(null); const queryoflastresult = ref(''); const facetCountDir_top4 = computed(() => { return _.chain(facetCountDir.value).first(4).value(); }); const facetCountDir_excepttop4 = computed(() => { return _.chain(facetCountDir.value).rest(4).value(); }); const refreshSearchResultF = async (routeQuery) => { var nv = routeQuery; if (skipSearchIfNoKeyWord && (nv.q === undefined || nv.q.trim() === '')) { //pdts.value = []; scopeTotal.value = 0; //firstRankInView.value = 0; //lastRankInView.value = 0; //currentPageNo.value = 0; //totalPageCount.value = 0; //selectedPageNo.value = 1; //hasSearchCriteria.value = false; isInitializing.value = false; isLoading.value = false; return; } if (lastAbortH.value) { if (lastAbortH.value.canAbort && lastAbortH.value.canAbort.value) { lastAbortH.value.abort(); } } const keywordsSplit = (nv.q || '').replace(/\s+$/, '').split(' '); const lastKeywordsSplit = (keywordsSplit.length > 1) ? keywordsSplit[keywordsSplit.length - 1] : '*'; const reqUrl = ref('/zh-cht/api/v1/site/IndexJson')// const reqData = ref({ q: nv.q || '', tids: nv.t ? [].concat(nv.t) : [], si: parseInt(nv.si || 0, 10), c: parseInt(nv.c || 10, 10), src: 'kb', }); const reqUrlCombined = ref(reqUrl.value);// + '?' + new URLSearchParams(reqData.value)) try { isLoading.value = true; const { isFetching, error, data, abort, canAbort } = await useFetch(reqUrlCombined, { method: 'POST', headers: { 'Accept': 'application/json', 'Content-Type': 'application/json' }, body: JSON.stringify(reqData.value) }, { refetch: true, timeout: 60000 }).json(); lastAbortH.value = { abort: abort, canAbort: canAbort }; if (error?.value) { hasConnectivityError.value = true; setTimeout(function () { hasConnectivityError.value = false }, 5000); return; } if (data && data.value && data.value.success && data.value.payload && data.value.payload.items) { //pdts.value = [].concat(data.value.payload.pdts); quicksearchitems.value = _.chain([].concat(data.value.payload.items)).first(5).value(); scopeTotal.value = data.value.payload.scopetotal; //firstRankInView.value = parseInt(reqData.value.si, 10) + 1; //lastRankInView.value = ((parseInt(reqData.value.si, 10) + parseInt(reqData.value.c, 10)) >= scopeTotal.value) ? scopeTotal.value : (parseInt(reqData.value.si, 10) + parseInt(reqData.value.c, 10)); //currentPageNo.value = Math.floor(parseInt(reqData.value.si, 10) / parseInt(reqData.value.c, 10)) + 1 //totalPageCount.value = Math.ceil(scopeTotal.value / parseInt(reqData.value.c, 10)); //selectedPageNo.value = currentPageNo.value; //hasSearchCriteria.value = reqData.value.q?.length > 0 || reqData.value.tids?.length > 0; queryoflastresult.value = nv.q; } if (data && data.value && data.value.success && data.value.payload && data.value.payload.facets && data.value.payload.facets.length > 0) { // 0: {dimension: "cati", u: 'URL, l: 'LABEL', c: 'COUNT', dataumbid: 'DATAUMBID' } facetCountDir.value = _.chain(data.value.payload.facets) .filter(function (itm) { return itm.dim === 'cati' }) .map(function (itm) { return { catid: parseInt(itm.dataumbid, 10), label: itm.l, url: itm.u, scopecount: parseInt(itm.c, 10) }; }) //.first(5) .value(); } else { facetCountDir.value = []; } if (data && data.value && data.value.success && data.value.payload && data.value.payload.su) { suggestions.value = [].concat(_.map(data.value.payload.su, function (x) { return x.text; })); } //console.log('facetCountDir.value=', facetCountDir.value); } finally { isInitializing.value = false; isLoading.value = false; isMoreFacetsVisible.value = false; await nextTick(); refreshFocusTrapF(); } }; const refreshSearchResultFdebounced = _.debounce(function (nv) { return refreshSearchResultF(nv); }, 380); watch(uicontrol, (nv, ov) => { //debouncedRouteChangeF(nv); refreshSearchResultFdebounced(nv); //lastuicontrolvalue = JSON.parse(JSON.stringify(nv)); }, { immediate: true, deep: true }); const isMoreFacetsVisible = ref(false); const expandMoreFacetsF = (e) => { isMoreFacetsVisible.value = !isMoreFacetsVisible.value; focusPreviousDomElementF(); setTimeout(function () { focusNextDomElementF(); }, 20); }; const isShowMoreSearchResultsButton = computed(() => { return scopeTotal.value > 10; }); const formattedSuggestions = computed(() => { if (suggestions.value && suggestions.value.length) { const qTrimmed = uicontrol.value.q?.replace(/\s+$/, ''); const qLastKeyword = _.chain(qTrimmed?.split(/[ ]/)).last().value(); // const __result = _.chain(suggestions.value).first(6).map(function (x) { const __r = (scopeTotal.value > 0) ? ((qTrimmed !== '') ? (qLastKeyword !== '' && qTrimmed.toLowerCase().indexOf(qLastKeyword.toLowerCase()) > -1 && x.toLowerCase().indexOf(qLastKeyword.toLowerCase()) > -1) ? qTrimmed.substr(0, qTrimmed.toLowerCase().lastIndexOf(qLastKeyword.toLowerCase())) // fusepended : (qTrimmed + ' ') // appended : '' ) : ''; return { literal: __r + x, pre: __r, suggn: x }; }).value(); return __result; } return []; }); // When clicked on any suggestion, immediately empty the suggestion candidates so the suggestion panel disappears OR const formattedSuggestionClickedF = function (w00t) { //console.log('formattedSuggestionClickedF', w00t); if (w00t) { //suggestions.value = []; if (globalsearchboxdomref.value) { globalsearchboxdomref.value.focus(); } uicontrol.value.q = w00t; } }; //@change="searchboxHandleInputF" const searchboxHandleInputF = () => { }; const searchboxHandleEscKeyUpF = (evt) => { }; const searchboxHandleDownKeyUpF = () => { if (facetCountDir.value && facetCountDir.value.length || quicksearchitems.value && quicksearchitems.value.length || suggestions.value && suggestions.value.length) { focusNextDomElementF(); } }; const catsLiHandleUpKeyDownF = (e) => { focusPreviousDomElementF(); }; const catsLiHandleDownKeyDownF = (e) => { focusNextDomElementF(); }; const catsLiHandleLeftKeyDownF = (e) => { focusPreviousDomElementF(); }; const catsLiHandleRightKeyDownF = (e) => { focusNextDomElementF(); }; const catsLiHandleEnterKeyPressF = (e) => { const aEle = e.target?.querySelector('a'); if (aEle) { aEle.click(); e.preventDefault(); } }; const quicksearchLiHandleUpKeyDownF = (e) => { focusPreviousDomElementF(); }; const quicksearchLiHandleDownKeyDownF = (e) => { //COMMENT: do not cycle to cross btn //focusNextDomElementF(); if (e.target.nextElementSibling) { e.target.nextElementSibling.focus(); } }; const quicksearchLiHandleLeftKeyDownF = (e) => { if (globalsearchboxdomref.value) { const _gsbdilen = globalsearchboxdomref.value.value.length; globalsearchboxdomref.value.setSelectionRange(0, _gsbdilen); globalsearchboxdomref.value.focus(); } }; const quicksearchMoreResultsLiHandleEnterKeyPressF = (e) => { if (searchPageUrl) { top.location = searchPageUrl + '?q=' + uicontrol.value.q; e.preventDefault(); } }; //@keyup.up="suggestionLiHandleUpKeyDownF" const suggestionLiHandleUpKeyDownF = (e) => { if (e.target.previousElementSibling) { e.target.previousElementSibling.focus(); } else if (globalsearchboxdomref.value) { globalsearchboxdomref.value.focus(); } }; //@keyup.down="suggestionLiHandleDownKeyDownF" const suggestionLiHandleDownKeyDownF = (e) => { if (e.target.nextElementSibling) { e.target.nextElementSibling.focus(); } }; //@keyup.left="suggestionLiHandleLeftKeyDownF" const suggestionLiHandleLeftKeyDownF = (e) => { globalsearchboxdomref.value?.focus(); }; //@keyup.backspace="suggestionLiHandleBackspaceKeyDownF" const suggestionLiHandleBackspaceKeyDownF = (e) => { //debouncedSuggestionPanelOpenCloseF(false); globalsearchboxdomref.value?.focus(); }; const closeSuggestionClickedF = () => { //suggestionPanelCloseLock.value = true; //debouncedSuggestionPanelOpenCloseF(false); globalsearchboxdomref.value?.focus(); }; const toggleSuggestionClickedF = () => { globalsearchboxdomref.value?.focus(); }; const quicksearchLiHandleEnterKeyPressF = (e) => { const aEle = e.target?.querySelector('a'); if (aEle) { aEle.click(); e.preventDefault(); } }; return { isInitializing, isLoading, //showOverlayF, //closeOverlayF, globalsearchoverlayDOM, globalsearchboxdomref, globalsearchitemsdomref, globalsearchcatsdomref, globalsearchsuggdomref, queryoflastresult, uicontrol, scopeTotal, facetCountDir, facetCountDir_top4, facetCountDir_excepttop4, isMoreFacetsVisible, searchboxHandleInputF, searchboxHandleEscKeyUpF, searchboxHandleDownKeyUpF, suggestionLiHandleUpKeyDownF, suggestionLiHandleDownKeyDownF, suggestionLiHandleLeftKeyDownF, suggestionLiHandleBackspaceKeyDownF, catsLiHandleUpKeyDownF, catsLiHandleDownKeyDownF, catsLiHandleLeftKeyDownF, catsLiHandleRightKeyDownF, catsLiHandleEnterKeyPressF, quicksearchLiHandleUpKeyDownF, quicksearchLiHandleDownKeyDownF, quicksearchLiHandleLeftKeyDownF, quicksearchLiHandleEnterKeyPressF, quicksearchMoreResultsLiHandleEnterKeyPressF, expandMoreFacetsF, toggleSuggestionClickedF, isOverlayVisible, isOverlayVisibleDeferred, closeGlobalSearchOverlayF, quicksearchitems, formattedSuggestions, formattedSuggestionClickedF, isShowMoreSearchResultsButton, }; } }